//离开、刷新、关闭页面时，给予提示。
var goodexit=false; 
function bindunbeforunload() 
{ 
	goodexit=false; 
	window.onbeforeunload=perforresult; 
} 
function unbindunbeforunload() 
{ 
	goodexit=true;
	window.onbeforeunload=null; 
} 
function perforresult() 
{ 
	if(!goodexit) 
	{ 
	return"当前操作未保存，如果你此时离开，所做操作信息将全部丢失，是否离开?"; 
	} 
} 
function decimal(myfield, e, dec,maxLen,precision)//小数输入。参数1：输入文本框对象；2：事件；参数4：文本框的最大输入长度；参数5：精确度
	 {
		 var key;
		 var keychar;
		 if (window.event)
		  key = window.event.keyCode;
		 else if (e)
		  key = e.which;
		 else
		  return true;
		keychar = String.fromCharCode(key);
		if (keychar == "." && myfield.value.indexOf('.')==-1)
		 {
			 myfield.maxLength=myfield.value.length+precision+1;
			 return true;
		 }
		 if(myfield.value.indexOf('.')==-1)
		 {
		   myfield.maxLength=maxLen;
		 }
		 // control keys
		 if ((key==null) || (key==0) || (key==8) ||(key==9) || (key==13) || (key==27)) return true;
		 // numbers
		 else if ((("0123456789").indexOf(keychar) > -1))return true;
		 // decimal point jump
		 else return false;
	}
	
	//只能输入数字
	function numbersonlyint(myfield, e, dec){   
		 var key;
		 var keychar;
		 if (window.event) key = window.event.keyCode;
		 else if (e) key = e.which;
		 else return true;
		 keychar = String.fromCharCode(key);	
		 // control keys
		 if ((key==null) || (key==0) || (key==8) ||(key==9) || (key==13) || (key==27)) return true;
		 // numbers
		 else if ((("0123456789").indexOf(keychar) > -1))
		 return true;
		 else return false;
	 }

	/*获得对象 
	target可接受this,id,name
	flag可接受null,'id','name'
	为name时，可能返回数组
	*/
	function getTargetTwo(target,flag){
		var obj;
		if(typeof(target)=="object"){
			obj = target;
		}
		if(typeof(target)=="string"){
			if("name"==flag){
				obj = document.getElementsByName(target);
			}else{
				obj = document.getElementById(target);
			}
		}
		return obj;
	}

	/*获得对象 
	target可接受this,id,name
	*/
	function getTarget(idOrNameOrThis){
		var obj = getTargetTwo(idOrNameOrThis,null);
		if(obj!=null){
			return obj;
		}
		obj = getTargetTwo(idOrNameOrThis,'id');
		if(obj!=null){
			return obj;
		}
		obj = getTargetTwo(idOrNameOrThis,'name');
		if(obj!=null){
			if(typeof(obj.length)!=="undefined"){
				return obj[0];
			}else if(typeof(obj)=="object"){
				return obj;
			}
		}
	}

	/*
	idOrNameOrThis：该控件被选中，则其他控件不可用 对于select 控件 选中第一位则后边不可编辑
	elseId：被控制的控件id eg: a,s,ef,, etc
	*/
	function disabledElseElements(idOrNameOrThis,elseId){
		var obj = getTarget(idOrNameOrThis);
		var flag = true;
		if(obj.type=="radio" || obj.type=="checkbox"){
			if(obj.checked==true){
			}else{
				flag = false;
			}	
		}else if(obj.type=="select-one"){
			if(obj.selectedIndex==0){
			}else{
				flag = false;
			}
		}
		if(elseId.indexOf(",")>0){
			var elseIds = elseId.split(",");
			for(var i = 0 ; i< elseIds.length;i++){
				if(elseIds[i]!=""){
					getTarget(elseIds[i]).disabled = flag;
					getTarget(elseIds[i]).readOnly = flag;
				}
			}
		}else{
			getTarget(elseId).disabled = flag;
		}
	}
	
	
	/*
	idOrNameOrThis：该控件被选中，则控件可用 对于select 控件 选中第一位则后边不可编辑
	elseId：被控制的控件id eg: a,s,ef,, etc
	*/
	function disabledcol(idOrNameOrThis,elseId){
		var obj = getTarget(idOrNameOrThis);
		var flag = false;
		if(obj.type=="radio" || obj.type=="checkbox"){
			if(obj.checked==true){
			}else{
				flag = true;
			}	
		}else if(obj.type=="select-one"){
			if(obj.selectedIndex==0){
			}else{
				flag = true;
			}
		}
		if(elseId.indexOf(",")>0){
			var elseIds = elseId.split(",");
			for(var i = 0 ; i< elseIds.length;i++){
				if(elseIds[i]!=""){
					getTarget(elseIds[i]).disabled = flag;
				}
			}
		}else{
			getTarget(elseId).disabled = flag;
		}
	}
	
	
		/*
	idOrNameOrThis：该控件被选中，则控件可用 对于select 控件 选中第一位则后边不可编辑 初始readONLy  选中后改false;
	elseId：被控制的控件id eg: a,s,ef,, etc
	*/
	function disabledcolnew(idOrNameOrThis,elseId){
		var obj = getTarget(idOrNameOrThis);
		var flag = false;
		if(obj.type=="radio" || obj.type=="checkbox"){
			if(obj.checked==true){
			 var elseIds = elseId.split(",");
			 for(var i = 0 ; i< elseIds.length;i++){
				if(elseIds[i]!=""){
					getTarget(elseIds[i]).readOnly = false;
				}
			}
			}else{
				flag = true;
			}	
		}else if(obj.type=="select-one"){
			if(obj.selectedIndex==0){
			}else{
				flag = true;
			}
		}
		if(elseId.indexOf(",")>0){
			var elseIds = elseId.split(",");
			for(var i = 0 ; i< elseIds.length;i++){
				if(elseIds[i]!=""){
					getTarget(elseIds[i]).disabled = flag;
				}
			}
		}else{
			getTarget(elseId).disabled = flag;
		}
	}
/* 
================================================================== 
checkIdcard('cardId','birthdayId')检验身份证，和出生日期关联
================================================================== 
*/ 
function checkIdcard(idCard,birthday)
{ 
	var area={11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",21:"辽宁",22:"吉林",23:"黑龙江",31:"上海",32:"江苏",33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",42:"湖北",43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆",51:"四川",52:"贵州",53:"云南",54:"西藏",61:"陕西",62:"甘肃",63:"青海",64:"宁夏",65:"新疆",71:"台湾",81:"香港",82:"澳门",91:"国外"} 
	var idcard = document.getElementById(idCard).value;
	if(idcard=="0"){
	  return true;
	}
	var birthday = document.getElementById(birthday).value;
	var Y,JYM; 
	var S,M; 
	var idcard_array = new Array(); 
	idcard_array = idcard.split(""); //用“,”隔开每一个数字
	//地区检验 
	if(area[parseInt(idcard.substr(0,2))]==null){ alert("身份证地区非法!"); return false;}
	//身份号码位数及格式检验 
	switch(idcard.length)
	{ 
	case 15: 
		if ( (parseInt(idcard.substr(6,2))+1900) % 4 == 0 || ((parseInt(idcard.substr(6,2))+1900) % 100 == 0 && (parseInt(idcard.substr(6,2))+1900) % 4 == 0 ))
		{ 
		ereg=/^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}$/;
		} else 
		{ 
		ereg=/^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}$/;
		} 
		if(ereg.test(idcard)){ 
		  return true; 
		}else
		{
		  alert("身份证号码出生日期超出范围或含有非法字符!"); 
		}
		break; 
	case 18: 
	//18位身份号码检测 
	//出生日期的合法性检查 
	//闰年月日:((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9])) 
	//平年月日:((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8])) 
	if ( parseInt(idcard.substr(6,4)) % 4 == 0 || (parseInt(idcard.substr(6,4)) % 100 == 0 && parseInt(idcard.substr(6,4))%4 == 0 )){ 
	   ereg=/^[1-9][0-9]{5}[1-2][0-9][0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}[0-9Xx]$/
	} else { 
	   ereg=/^[1-9][0-9]{5}[1-2][0-9][0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}[0-9Xx]$/ 
	} 
	if(ereg.test(idcard))
	{   //测试出生日期的合法性 
	    //计算校验位 
		S = (parseInt(idcard_array[0]) + parseInt(idcard_array[10])) * 7 
		+ (parseInt(idcard_array[1]) + parseInt(idcard_array[11])) * 9 
		+ (parseInt(idcard_array[2]) + parseInt(idcard_array[12])) * 10 
		+ (parseInt(idcard_array[3]) + parseInt(idcard_array[13])) * 5 
		+ (parseInt(idcard_array[4]) + parseInt(idcard_array[14])) * 8 
		+ (parseInt(idcard_array[5]) + parseInt(idcard_array[15])) * 4 
		+ (parseInt(idcard_array[6]) + parseInt(idcard_array[16])) * 2 
		+ parseInt(idcard_array[7]) * 1 
		+ parseInt(idcard_array[8]) * 6 
		+ parseInt(idcard_array[9]) * 3 ; 
		var yyyy = idcard.substring(6,10);
		var mm = idcard.substring(10,12);
		var dd = idcard.substring(12,14);
		if(yyyy+"-"+mm+"-"+dd != birthday){alert("出生日期与身份证的出生日期不符合！");return false;}
		Y = S % 11; 
		M = "F"; 
		JYM = "10X98765432"; 
		M = JYM.substr(Y,1);//判断校验位 
		if(M == idcard_array[17]) //检测ID的校验位
		{
		  return true;
		}
		else 
		{ 
		  alert("身份证号码校验错误!"); return false;
		}
	} 
		alert("身份证号码出生日期超出范围或含有非法字符!"); 
		break; 
	default: 
		alert("身份证号码位数不对!"); 
		break; 
  } 
  return false;
}
/* 
================================================================== 
checkIdcard('cardId')检验身份证，不和出生日期关联
================================================================== 
*/ 
function checkIdcard(idCard)
{ 
	var area={11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",21:"辽宁",22:"吉林",23:"黑龙江",31:"上海",32:"江苏",33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",42:"湖北",43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆",51:"四川",52:"贵州",53:"云南",54:"西藏",61:"陕西",62:"甘肃",63:"青海",64:"宁夏",65:"新疆",71:"台湾",81:"香港",82:"澳门",91:"国外"} 
	var idcard = document.getElementById(idCard).value;
	if(idcard=="0"){
	  return true;
	}
	var Y,JYM; 
	var S,M; 
	var idcard_array = new Array(); 
	idcard_array = idcard.split(""); //用“,”隔开每一个数字
	//地区检验 
	if(area[parseInt(idcard.substr(0,2))]==null){ alert("身份证地区非法!"); return false;}
	//身份号码位数及格式检验 
	switch(idcard.length)
	{ 
	case 15: 
		if ( (parseInt(idcard.substr(6,2))+1900) % 4 == 0 || ((parseInt(idcard.substr(6,2))+1900) % 100 == 0 && (parseInt(idcard.substr(6,2))+1900) % 4 == 0 ))
		{ 
		ereg=/^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}$/;
		} else 
		{ 
		ereg=/^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}$/;
		} 
		if(ereg.test(idcard)){ 
		  return true; 
		}else
		{
		  alert("身份证号码出生日期超出范围或含有非法字符!"); 
		}
		break; 
	case 18: 
	//18位身份号码检测 
	//出生日期的合法性检查 
	//闰年月日:((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9])) 
	//平年月日:((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8])) 
	if ( parseInt(idcard.substr(6,4)) % 4 == 0 || (parseInt(idcard.substr(6,4)) % 100 == 0 && parseInt(idcard.substr(6,4))%4 == 0 )){ 
	   ereg=/^[1-9][0-9]{5}[1-2][0-9][0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}[0-9Xx]$/
	} else { 
	   ereg=/^[1-9][0-9]{5}[1-2][0-9][0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}[0-9Xx]$/ 
	} 
	if(ereg.test(idcard))
	{   //测试出生日期的合法性 
	    //计算校验位 
		S = (parseInt(idcard_array[0]) + parseInt(idcard_array[10])) * 7 
		+ (parseInt(idcard_array[1]) + parseInt(idcard_array[11])) * 9 
		+ (parseInt(idcard_array[2]) + parseInt(idcard_array[12])) * 10 
		+ (parseInt(idcard_array[3]) + parseInt(idcard_array[13])) * 5 
		+ (parseInt(idcard_array[4]) + parseInt(idcard_array[14])) * 8 
		+ (parseInt(idcard_array[5]) + parseInt(idcard_array[15])) * 4 
		+ (parseInt(idcard_array[6]) + parseInt(idcard_array[16])) * 2 
		+ parseInt(idcard_array[7]) * 1 
		+ parseInt(idcard_array[8]) * 6 
		+ parseInt(idcard_array[9]) * 3 ; 
		var yyyy = idcard.substring(6,10);
		var mm = idcard.substring(10,12);
		var dd = idcard.substring(12,14);
		Y = S % 11; 
		M = "F"; 
		JYM = "10X98765432"; 
		M = JYM.substr(Y,1);//判断校验位 
		if(M == idcard_array[17]) //检测ID的校验位
		{
		  return true;
		}
		else 
		{ 
		  alert("身份证号码校验错误!"); return false;
		}
	} 
		alert("身份证号码出生日期超出范围或含有非法字符!"); 
		break; 
	default: 
		alert("身份证号码位数不对!"); 
		break; 
  } 
  return false;
}
/* 
================================================================== 
ForDight(Dight,How)-- Dight:要格式化的数字，How：要保留的小数位数。多出的位数以“四舍五入”处理
ForDight(3.235,2) ： 返回 3.24
================================================================== 
*/  
function ForDight(Dight,How) 
{ 
Dight = Math.round (Dight*Math.pow(10,How))/Math.pow(10,How); 
return Dight; 
} 